1 Explain that a population pyramid shows the age and sex structure of a population. 2  Point to the horizontal bars, which show the percentage (or the absolute number) of males and females in each age group. 3  Have students interpret the chart.
1 Although they range from $150-$400 or more, a large capacity (25-70 pints) dehumidifier for a basement (the dampest portion of most homes) or other large area averages $200-$300.
The AD 85LGR Low Grain Refrigerant Dehumidifier is designed to keep your construction and restoration projects on schedule by removing more moisture from the air at lower temperatures and relative humidity than conventional refrigerant systems.